Climate at a Glance

National Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of December 2019. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, August 1991

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
August 1991
1-Month
2.60"
(66.04mm)
2.62"
(66.55mm)
-0.02"
(-0.51mm)
61st Driest Driest since: 1988 1929
65th Wettest Wettest since: 1990 1977
Ties: 1921, 1945, 2007
Jul–Aug 1991
2-Month
5.30"
(134.62mm)
5.40"
(137.16mm)
-0.10"
(-2.54mm)
46th Driest Driest since: 1988 1930
80th Wettest Wettest since: 1990 1915
Ties: 1948
Jun–Aug 1991
3-Month
8.14"
(206.76mm)
8.32"
(211.33mm)
-0.18"
(-4.57mm)
41st Driest Driest since: 1990 1930
85th Wettest Wettest since: 1989 1928
May–Aug 1991
4-Month
11.86"
(301.24mm)
11.23"
(285.24mm)
0.63"
(16.00mm)
85th Driest Driest since: 1988 1936
41st Wettest Wettest since: 1990 1915
Apr–Aug 1991
5-Month
15.21"
(386.33mm)
13.75"
(349.25mm)
1.46"
(37.08mm)
112th Driest Driest since: 1990 1934
14th Wettest Wettest since: 1957 2019
Mar–Aug 1991
6-Month
18.54"
(470.92mm)
16.26"
(413.00mm)
2.28"
(57.92mm)
121st Driest Driest since: 1990 1936
5th Wettest Wettest since: 1905 1905
Feb–Aug 1991
7-Month
20.18"
(512.57mm)
18.40"
(467.36mm)
1.78"
(45.21mm)
109th Driest Driest since: 1990 1934
17th Wettest Wettest since: 1983 2019
Jan–Aug 1991
8-Month
22.55"
(572.77mm)
20.71"
(526.03mm)
1.84"
(46.74mm)
112th Driest Driest since: 1989 1934
14th Wettest Wettest since: 1990 2019
Dec 1990–Aug 1991
9-Month
25.24"
(641.10mm)
23.05"
(585.47mm)
2.19"
(55.63mm)
111th Driest Driest since: 1990 1931
14th Wettest Wettest since: 1983 2019
Nov 1990–Aug 1991
10-Month
27.33"
(694.18mm)
25.28"
(642.11mm)
2.05"
(52.07mm)
104th Driest Driest since: 1990 1934
21st Wettest Wettest since: 1984 2019
Oct 1990–Aug 1991
11-Month
30.09"
(764.29mm)
27.45"
(697.23mm)
2.64"
(67.06mm)
111th Driest Driest since: 1990 1934
14th Wettest Wettest since: 1984 2019
Sep 1990–Aug 1991
12-Month
32.13"
(816.10mm)
29.94"
(760.48mm)
2.19"
(55.62mm)
103rd Driest Driest since: 1990 1934
22nd Wettest Wettest since: 1984 2019
Mar 1990–Aug 1991
18-Month
49.25"
(1,250.95mm)
46.22"
(1,173.99mm)
3.03"
(76.96mm)
103rd Driest Driest since: 1990 1931
22nd Wettest Wettest since: 1984 2019
Sep 1989–Aug 1991
24-Month
62.36"
(1,583.94mm)
59.92"
(1,521.97mm)
2.44"
(61.97mm)
88th Driest Driest since: 1990 1918
36th Wettest Wettest since: 1987 2017
Sep 1988–Aug 1991
36-Month
92.87"
(2,358.90mm)
89.86"
(2,282.44mm)
3.01"
(76.46mm)
90th Driest Driest since: 1990 1956
33rd Wettest Wettest since: 1986 2019
Sep 1987–Aug 1991
48-Month
118.43"
(3,008.12mm)
119.77"
(3,042.16mm)
-1.34"
(-34.04mm)
48th Driest Driest since: 1990 1956
74th Wettest Wettest since: 1989 2019
Sep 1986–Aug 1991
60-Month
150.02"
(3,810.51mm)
149.64"
(3,800.86mm)
0.38"
(9.65mm)
63rd Driest Driest since: 1990 1934
58th Wettest Wettest since: 1988 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published January 2020, retrieved on January 22, 2020 from https://www.ncdc.noaa.gov/cag/